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30 lines
525 B
Go
30 lines
525 B
Go
//go:build amd64 && !purego
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// +build amd64,!purego
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package sm3
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import "golang.org/x/sys/cpu"
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var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI2
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var useAVX = cpu.X86.HasAVX
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var useSSSE3 = cpu.X86.HasSSSE3
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//go:noescape
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func blockAMD64(dig *digest, p []byte)
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//go:noescape
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func blockSIMD(dig *digest, p []byte)
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//go:noescape
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func blockAVX2(dig *digest, p []byte)
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func block(dig *digest, p []byte) {
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if useAVX2 {
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blockAVX2(dig, p)
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} else if useSSSE3 || useAVX {
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blockSIMD(dig, p)
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} else {
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blockAMD64(dig, p)
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}
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}
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